Voltage Drop Calculator

Calculate voltage drop for electrical circuits per NEC 2023 Articles 210.19(A)(1) and 215.2(A)(1)

Circuit Parameters

Conductor Size (AWG)

Insulation Type

Circuit Type

System Voltage (V)

Load Current (A)

Circuit Length (ft, one-way)

Power Factor

Circuit Application

Enter your circuit parameters and click "Calculate Voltage Drop" to get started.